Sebastian Twisted Shampoo is designed directly for waves and curls for gentle hair washing with more moisture. The Flexi Alg™ complex provides each strand of hair with elasticity for easy styling.Application: Massage the hair shampoo into wet hair and then rinse thoroughly. If necessary, repeat the application.Twisted - waves and curls full of elasticity for up to 48 hours. Moisture is locked in, waves and curls are defined.